Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WS4D callsign genealogy
Currently held by CHERVENY, ROBERT J
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by WS4D's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WS4D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WS4D, oldest first.
- Holmes Jr, Claude D FL2002-10-24 → cancelled 2005-12-01
- CHERVENY, ROBERT J GA2020-07-07 active